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Date: Mon, 6 Jun 2016 13:24:01 +0200
From: Pali Rohár <pali.rohar@...il.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>,
Hans de Goede <hdegoede@...hat.com>,
Ben Gamari <ben@...rt-cactus.org>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
Pali Rohár <pali.rohar@...il.com>
Subject: [PATCH 5/5] Input: alps - cleanup ALPS_PROTO_V2 detection
Table alps_model_data is now used only for ALPS_PROTO_V2, so add "v2"
indentifier to all relevant functions/variables/structures. Sort all
devices by signature and remove command_mode_resp which is not used
anymore.
Signed-off-by: Pali Rohár <pali.rohar@...il.com>
---
drivers/input/mouse/alps.c | 66 ++++++++++++++++++++------------------------
drivers/input/mouse/alps.h | 9 ++----
2 files changed, 32 insertions(+), 43 deletions(-)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 3618320..7dc49c1e 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -104,37 +104,35 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
#define ALPS_STICK_BITS 0x100 /* separate stick button bits */
#define ALPS_BUTTONPAD 0x200 /* device is a clickpad */
-static const struct alps_model_info alps_model_data[] = {
- { { 0x32, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Toshiba Salellite Pro M10 */
- { { 0x53, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
- { { 0x53, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
- { { 0x60, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, /* HP ze1115 */
- { { 0x63, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
- { { 0x63, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
- { { 0x63, 0x02, 0x28 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Fujitsu Siemens S6010 */
- { { 0x63, 0x02, 0x3c }, 0x00, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } }, /* Toshiba Satellite S2400-103 */
- { { 0x63, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 } }, /* NEC Versa L320 */
- { { 0x63, 0x02, 0x64 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
- { { 0x63, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D800 */
- { { 0x73, 0x00, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } }, /* ThinkPad R61 8918-5QG */
- { { 0x73, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
- { { 0x73, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Ahtec Laptop */
-
+static const struct alps_v2_model_info alps_v2_model_data[] = {
/*
* XXX This entry is suspicious. First byte has zero lower nibble,
* which is what a normal mouse would report. Also, the value 0x0e
* isn't valid per PS/2 spec.
*/
- { { 0x20, 0x02, 0x0e }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
-
- { { 0x22, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
- { { 0x22, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D600 */
- /* Dell Latitude E5500, E6400, E6500, Precision M4400 */
- { { 0x62, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf,
- ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } },
- { { 0x73, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } }, /* Dell Vostro 1400 */
- { { 0x52, 0x01, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff,
+ { { 0x20, 0x02, 0x0e }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
+
+ { { 0x22, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
+ { { 0x22, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D600 */
+ { { 0x32, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Toshiba Salellite Pro M10 */
+ { { 0x52, 0x01, 0x14 }, { ALPS_PROTO_V2, 0xff, 0xff,
ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Toshiba Tecra A11-11L */
+ { { 0x53, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x53, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x60, 0x03, 0xc8 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, /* HP ze1115 */
+ { { 0x62, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xcf, 0xcf,
+ ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Dell Latitude E5500, E6400, E6500, Precision M4400 */
+ { { 0x63, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x63, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x63, 0x02, 0x28 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Fujitsu Siemens S6010 */
+ { { 0x63, 0x02, 0x3c }, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } }, /* Toshiba Satellite S2400-103 */
+ { { 0x63, 0x02, 0x50 }, { ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 } }, /* NEC Versa L320 */
+ { { 0x63, 0x02, 0x64 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x63, 0x03, 0xc8 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D800 */
+ { { 0x73, 0x00, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } }, /* ThinkPad R61 8918-5QG */
+ { { 0x73, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x73, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Ahtec Laptop */
+ { { 0x73, 0x02, 0x50 }, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } }, /* Dell Vostro 1400 */
};
static const struct alps_protocol_info alps_v1_protocol_data = {
@@ -2714,21 +2712,17 @@ static int alps_set_protocol(struct psmouse *psmouse,
return 0;
}
-static const struct alps_protocol_info *alps_match_table(unsigned char *e7,
- unsigned char *ec)
+static const struct alps_protocol_info *alps_v2_match_table(unsigned char *e7,
+ unsigned char *ec)
{
- const struct alps_model_info *model;
+ const struct alps_v2_model_info *model;
int i;
- for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) {
- model = &alps_model_data[i];
-
- if (!memcmp(e7, model->signature, sizeof(model->signature)) &&
- (!model->command_mode_resp ||
- model->command_mode_resp == ec[2])) {
+ for (i = 0; i < ARRAY_SIZE(alps_v2_model_data); i++) {
+ model = &alps_v2_model_data[i];
+ if (!memcmp(e7, model->signature, sizeof(model->signature)))
return &model->protocol_info;
- }
}
return NULL;
@@ -2764,7 +2758,7 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
alps_exit_command_mode(psmouse))
return -EIO;
- protocol = alps_match_table(e7, ec);
+ protocol = alps_v2_match_table(e7, ec);
if (!protocol) {
if (e7[0] == 0x33 && e7[1] == 0x02 && e7[2] == 0x0a) {
protocol = &alps_v1_protocol_data;
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index fd0a359..8b56169 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -139,21 +139,16 @@ struct alps_protocol_info {
};
/**
- * struct alps_model_info - touchpad ID table
+ * struct alps_v2_model_info - touchpad ID table
* @signature: E7 response string to match.
- * @command_mode_resp: For V3/V4 touchpads, the final byte of the EC response
- * (aka command mode response) identifies the firmware minor version. This
- * can be used to distinguish different hardware models which are not
- * uniquely identifiable through their E7 responses.
* @protocol_info: information about protcol used by the device.
*
* Many (but not all) ALPS touchpads can be identified by looking at the
* values returned in the "E7 report" and/or the "EC report." This table
* lists a number of such touchpads.
*/
-struct alps_model_info {
+struct alps_v2_model_info {
u8 signature[3];
- u8 command_mode_resp;
struct alps_protocol_info protocol_info;
};
--
1.7.9.5
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